Week #3 lab - aws environment is showing as red

Hi I am currently pursuing this course and while I was in week 3 lab running the 3.2 fune tune model code, the server connection lost and after that aws icon in my vocareum workbench is always showing as red and not able to launch the aws environment
I am not able to complete the course due to this. Appreciate any help on this regard.
Thanks

Try again today and let us know!